30-11-2012, 04:03 PM
Intel’s 8051 Micro controller
[attachment=41918]
Basics
What are Micro controller's ?
Why the name Micro controller ?
Basically used for control actions.It is used to control the operation of machine using fixed program that is stored in ROM/EPROM and that does not change over the life time.
What is MCS 51 ?
Why to study 8051 ?
Features of 8051
8 bit ALU.
16 bit PC and DPTR.
8 bit stack pointer and 8 bit PSW.
4K internal ROM
128 bytes of Internal RAM.
32 bits arranged as four,8 bit ports P0-P3.
Two 16 bit timer/counters, T0 & T1.
Full duplex serial Port.
Control Registers TCON,TMOD,SCON,PCON,IP,IE etc (SFR’s).
Two External and three internal interrupt sources.
0-12 MHz clock.
40 pin DIP package.
Works in Power Down and Idle mode.
Powerful Instruction set.
Serial Input/Output
Registers used are SCON and SBUFF.
There are physically two SBUFF registers having same address i.e 99 H.
Interrupt is generated whenever data is transmitted and received.
Controller goes to execute ISR for serial communication from 0023h.
[attachment=41918]
Basics
What are Micro controller's ?
Why the name Micro controller ?
Basically used for control actions.It is used to control the operation of machine using fixed program that is stored in ROM/EPROM and that does not change over the life time.
What is MCS 51 ?
Why to study 8051 ?
Features of 8051
8 bit ALU.
16 bit PC and DPTR.
8 bit stack pointer and 8 bit PSW.
4K internal ROM
128 bytes of Internal RAM.
32 bits arranged as four,8 bit ports P0-P3.
Two 16 bit timer/counters, T0 & T1.
Full duplex serial Port.
Control Registers TCON,TMOD,SCON,PCON,IP,IE etc (SFR’s).
Two External and three internal interrupt sources.
0-12 MHz clock.
40 pin DIP package.
Works in Power Down and Idle mode.
Powerful Instruction set.
Serial Input/Output
Registers used are SCON and SBUFF.
There are physically two SBUFF registers having same address i.e 99 H.
Interrupt is generated whenever data is transmitted and received.
Controller goes to execute ISR for serial communication from 0023h.